Electrons driven through a suspended carbon nanotube by a constant bias excite mechanical vibrations — including self-sustaining oscillations — and, in some cases, even suppress them down to only a few quanta.

中文翻译：

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电流冷却并驱动

在恒定的偏压下，通过悬浮的碳纳米管驱动的电子会激发机械振动（包括自持振荡），在某些情况下甚至将其抑制到只有几个量子。